WO2023109810A2

WO2023109810A2 - Hinge mechanism and embedded refrigeration device

Info

Publication number: WO2023109810A2
Application number: PCT/CN2022/138672
Authority: WO
Inventors: 李康; 夏恩品; 王常志; 董雨峰
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2021-12-17
Filing date: 2022-12-13
Publication date: 2023-06-22
Also published as: WO2023109810A3; CN116265685A

Abstract

Disclosed in the present invention are a hinge mechanism and an embedded refrigeration device. The hinge mechanism is provided with a pivoting side and an opening side which are opposite each other. The hinge mechanism comprises a first hinge member installed on a cabinet body and a second hinge member installed on a door body, wherein a hinge slot, a hinge shaft and a guide structure which match one another are arranged between the first hinge member and the second hinge member; and when the second hinge member is rotationally opened, the second hinge member first moves towards the opening side, then moves towards the pivoting side, and then moves towards the opening side.

Description

Hinge mechanism and embedded refrigeration device

technical field

The invention relates to the technical field of home appliances, in particular to a hinge mechanism and an embedded refrigeration device with the hinge mechanism.

Background technique

With the progress of society and the improvement of people's living standards, the placement and placement of home appliances in the house are more and more valued by ordinary users. For the current home decoration style, some families pursue style integration, so it is necessary to Home appliances (such as refrigerators, microwave ovens, dishwashers, etc.) are placed in cabinets to form so-called built-in appliances.

For built-in home appliances, when the door rotates around the hinge shaft to open, the hinged side of the door and the box often protrudes from the side wall of the box. There will be a preset size gap between them to prevent the door body from colliding with the cabinet wall during the door opening process.

However, on the one hand, the gap between the built-in home appliance and the cabinet wall is small, which is easy to accumulate dust and difficult to clean; on the other hand, the built-in home appliance cannot be seamlessly fitted with the cabinet, which affects the appearance.

Contents of the invention

The object of the present invention is to provide a hinge mechanism and an embedded refrigeration device with the hinge mechanism.

To achieve one of the objectives of the above invention, the present invention provides a hinge mechanism with opposite pivoting sides and opening sides, the hinge mechanism includes a first hinge member installed on the box body, a second hinge member installed on the door body A hinge part, one of the first hinge part and the second hinge part is provided with a hinge groove, and the other is provided with a hinge shaft matching the hinge groove; the first hinge part and the A guide structure for guiding the relative movement between the hinge slot and the hinge shaft is also provided between the second hinge parts, and when the second hinge part rotates and opens in a direction away from the first hinge part, the The second hinge member first moves toward the opening side and then moves toward the pivoting side and then moves toward the opening side.

As a further improvement of the present invention, the hinge slot is provided on the first hinge member, and the hinge slot extends along the arrangement direction of the pivoting side and the opening side.

As a further improvement of the present invention, the guide structure includes a guide shaft provided on one of the first hinge member and the second hinge member, and a guide shaft provided on the other and matched with the guide shaft. Slot, along the direction from the opening side to the pivoting side, the guide slot includes a first slot segment, a second slot segment, and a third slot segment connected in sequence, and the guide shaft is connected to the first slot When the guide shaft is in the second slot segment and moves toward the second slot segment, the second hinge moves to the opening side; when the guide shaft is in the second slot segment and moves toward the third slot segment, The second hinge moves toward the pivoting side, and when the guide shaft moves in the third groove section and moves away from the second groove section, the second hinge moves toward the Open side moves.

As a further improvement of the present invention, both the guide groove and the hinge shaft are set on the first hinge part or both are set on the second hinge part; One end of the slot segment is gradually approaching the hinge shaft, the second slot segment is gradually away from the hinge shaft from the end close to the first slot segment, and the third slot segment is from the end close to the second slot segment Gradually approach the hinge axis.

As a further improvement of the present invention, the guide groove includes a groove wall and an arc-shaped groove bottom connected with the groove wall in a smooth transition, and the end of the guide shaft mating with the arc-shaped groove bottom has an arc-shaped end surface, The shape of the arc-shaped end surface matches the shape of the arc-shaped groove bottom.

As a further improvement of the present invention, the hinge slot includes a transition slot section, and when the guide shaft is located at the junction of the second slot section and the third slot section, the hinge axis is located at the transition slot section .

As a further improvement of the present invention, the guide shaft and the hinge slot are provided on the first hinge member; the first hinge member includes a hinge plate for An auxiliary plate on one side of the second hinge, the guide shaft protrudes from the hinge plate toward the second hinge, the auxiliary plate is connected to the guide shaft, and the hinge groove is arranged on on the auxiliary board.

As a further improvement of the present invention, the second hinge member includes a fixing seat fixed on the door body, the fixing seat has a receiving groove on a side facing the hinge plate, and a shielding cover for covering the receiving groove, The shielding cover has a through slot for the guide shaft to move, and the auxiliary plate is limited in the receiving space jointly formed by the receiving groove and the shielding cover.

As a further improvement of the present invention, the hinge mechanism further includes a limiting plate arranged between the auxiliary plate and the hinge plate, and the opposite sides of the limiting plate respectively bear against the hinge plate and the hinge plate. on the auxiliary board.

As a further improvement of the present invention, the auxiliary plate is sleeved on the guide shaft, one of the auxiliary plate and the hinge plate is provided with a positioning shaft protruding toward the other, and the other is provided with a The positioning hole matched with the positioning shaft.

As a further improvement of the present invention, when the second hinge part rotates and opens in a direction away from the first hinge part, when the second hinge part first moves to the opening side and then moves to the pivoting side and then Before moving to the opening side, the second hinge part rotates at a preset angle first.

As a further improvement of the present invention, one end of the hinge slot close to the pivoting side has a gap; or the hinge slot is a closed long slot.

As a further improvement of the present invention, a limiting structure is provided between the first hinge part and the second hinge part, and the limiting structure is used to limit the maximum opening angle of the second hinge part.

To achieve the purpose of the above invention, the present invention also provides an embedded refrigeration device, which includes a box body, a door body, and the above-mentioned hinge mechanism that rotatably connects the door body to the box body.

Compared with the prior art, the beneficial effect of the present invention lies in that the hinge mechanism in the present invention can drive the door body to move to the opening side first during the process of rotating and opening, that is, it gradually moves away from the cabinet wall on the pivoting side. , it is possible to increase the distance between one end of the door body on the pivoting side and the cabinet wall on the pivoting side to avoid the cabinet wall. , can also avoid interference between the door body and the cabinet wall; on the other hand, it can provide more space for the door body to move to the pivoting side during the further opening process of the subsequent door body, and avoid interference with the cabinet wall during the door body opening process. interference between.

Description of drawings

Fig. 1 is the structural representation of embedded refrigeration device among the present invention;

Fig. 2 is the enlarged view of place A in Fig. 1;

Fig. 3 is an exploded view of the hinge mechanism in a specific embodiment of the present invention;

Fig. 4 is a structural schematic view of the second hinge member in the closed state in the hinge mechanism shown in Fig. 3;

Fig. 5 is a structural schematic view of the second hinge member in the hinge mechanism shown in Fig. 3 when it rotates and opens and first moves to the opening side;

Fig. 6 is a structural schematic view of the second hinge member in the hinge mechanism shown in Fig. 3 when it is rotated to open and moves to the pivoting side;

Fig. 7 is a structural schematic view of the second hinge member in the hinge mechanism shown in Fig. 3 when it is rotated to open and moves to the opening side again;

Fig. 8 is an exploded view of the hinge mechanism in another specific embodiment of the present invention;

Fig. 9 is an exploded view of a hinge mechanism in yet another embodiment of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings 1-9. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

For the words expressing position and direction described in the present invention, the side where the door body is located when the refrigeration device is in normal use is referred to as "front". The terms first, second, third, fourth, etc. in the present invention are only used for descriptive purposes, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the number of indicated technical features; Yes, unless otherwise clearly stipulated and limited, the term "connection" should be understood in a broad sense, for example, the connection may be direct connection or indirect connection through an intermediary, it may be a fixed connection or a movable connection or a detachable connection or an integrated connect. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Referring to FIG. 1, the present invention provides a hinge mechanism 10 and an embedded refrigeration device 100 having the hinge mechanism 10. The embedded refrigeration device 100 includes a box body 20, a door body 30, and the door body 30 is rotated The hinge mechanism 10 connected to the box body 20 .

Of course, it can be understood that the hinge mechanism 10 in the present invention is not limited to be applied to built-in household appliances, nor is it limited to be applied to refrigeration devices.

Please refer to FIG. 3 , which is a hinge mechanism 10 in a specific embodiment of the present invention. The hinge mechanism 10 includes a first hinge 1 installed on the box body 20 and a second hinge 2 installed on the door body 30, and the door 30 and the box body 20 pass through the first hinge 1 cooperates with the second hinge 2 to rotatably connect the door body 30 to the box body 20, and can control the movement track of the door body 30 during the door opening process.

It can be understood that, during the process of opening and closing the door body 30 , the second hinge part 2 rotates synchronously, and the movement track of the door body 30 is the same as that of the second hinge part 2 .

Specifically, it is defined that the hinge mechanism 10 has an opposite pivoting side, an opening side. The pivoting side refers to the side corresponding to the rotating end of the door body 30 when opening and closing the door body 30; the opening side refers to the side corresponding to the free end of the door body 30 when the door body 30 is opened and closed. side.

Further, one of the first hinge member 1 and the second hinge member 2 is provided with a hinge groove 11, and the other is provided with a hinge shaft 21 matching with the hinge groove 11, and at the same time, the A guide structure 3 for guiding the relative movement between the hinge groove 11 and the hinge shaft 21 is also provided between the first hinge member 1 and the second hinge member 2. During the door opening process, the second hinge During the process of rotating and opening the part 2 away from the first hinge part 1, the movement track of the second hinge part 2 is: during the process of rotating and opening the second hinge part 2, at the same time, the first hinge part 2 The two hinge parts 2 first move to the opening side, then move to the pivoting side and then move to the opening side, driving the movement track of the door body 30 as follows: when the door body 30 is rotating and opening, At the same time, the door body 30 first moves to the opening side, then moves to the pivoting side, and then moves to the opening side.

During the rotation and opening process of the door body 30, the door body 30 first moves to the opening side, that is, gradually moves away from the cabinet wall on the pivoting side, which can increase the distance between the end of the door body 30 on the pivoting side and the side on the pivoting side. The distance between the cabinet walls avoids the cabinet walls. On the one hand, even if there is no gap between the embedded refrigeration device 100 and the cabinets, the interference between the door body 30 and the cabinet walls can be avoided during the door opening process; On the other hand, more space can be provided for the door body 30 to move to the pivoting side during the further opening process of the subsequent door body 30 , and interference between the door body 30 and the cabinet wall during the opening process can be avoided.

After the door body 30 moves to the opening side, it moves to the pivoting side to further open the door body 30 .

In the existing embedded refrigeration device 100, when the door body 30 is in the closed state, the front wall 301 of the door body 30 is flush with the front end of the cabinet wall, and the door body 30 is opened to the front. After the wall 301 and the cabinet wall are on the same plane (the door body 30 is opened about 90°), interference occurs between the front wall 301 and the cabinet wall, and the door body 30 cannot be further opened, that is, the maximum opening angle of the door body 30 is It is 90°, which affects the user's access to the items in the refrigeration device. In the present invention, after the door body 30 moves to the pivoting side, the door body 30 then moves to the opening side, which can avoid interference between the door body 30 and the cabinet wall when the door body 30 is further opened, thereby , can increase the opening angle of the door body 30 (greater than 120°), which is convenient for users to access items.

In this embodiment, the hinge slot 11 is provided on the first hinge member 1, and the hinge slot 11 extends along the arrangement direction of the pivoting side and the opening side. At this time, the hinge shaft 21 is arranged on the second hinge part 2 . During the opening process of the door body 30, the hinge shaft 21 first moves along the hinge groove 11 to the end of the hinge groove 11 close to the opening side, and then moves along the hinge groove 11 to the hinge groove 11 close to the end. One end on the pivoting side moves, and then moves along the hinge slot 11 to one end of the hinge slot 11 close to the opening side.

It can be understood that the hinge shaft 21 is arranged on the second hinge member 2, and the second hinge member 2 is fixed on the door body 30, so that the door body 30, the second hinge member 2 and the The motion trajectories of the hinge shafts 21 are all the same.

Of course, it is not limited thereto. In other embodiments, the hinge slot 11 may also be provided on the second hinge member 2, and the corresponding hinge shaft 21 may be provided on the first hinge member 1. , at this time, the extension direction of the hinge slot 11 only needs to be set so that the door body 30 can move according to the above-mentioned motion track during the door opening process.

Further, in this embodiment, one end of the hinge slot 11 near the pivoting side has a notch, so as to reduce the interference of the hinge shaft 21 on the guide structure 3 .

Of course, it is not limited thereto. In another specific embodiment as shown in FIG. The hinge shaft 21 is separated from the hinge groove 11 ′, so as to enhance the stability of the hinge mechanism 10 .

Further, the guide structure 3 includes a guide shaft 31 provided on one of the first hinge member 1 and the second hinge member 2, and a guide shaft 31 provided on the other and matched with the guide shaft 31. Guide groove 32 .

As shown in FIG. 5 , along the direction from the opening side to the pivoting side, the guide groove 32 includes a first groove segment 321 , a second groove segment 322 , and a third groove segment 323 which are sequentially connected.

Please refer to FIG. 4 , when the second hinge member 2 is in the closed state, the guide shaft 31 is located at the end of the first slot section 321 away from the second slot section 322 .

Please refer to FIG. 5 , when the second hinge member 2 is rotated and opened, when the guide shaft 31 is in the first groove segment 321 and moves toward the second groove segment 322 , guide the hinge The shaft 21 moves along an end of the hinge slot 11 close to the opening side, so as to drive the second hinge member 2/door body 30 to move toward the opening side first.

Please refer to FIG. 6 , when the second hinge member 2 rotates and opens until the guide shaft 31 is located at the junction of the first groove segment 321 and the second groove segment 322 , and continues to rotate and open, the guide The shaft 31 is in the second slot section 322 and moves toward the third slot section 323 , guiding the hinge shaft 21 to move along the hinge slot 11 to the end of the hinge slot 11 close to the pivoting side, To drive the second hinge 2/door body 30 to move to the pivoting side.

Please refer to FIG. 7 , when the second hinge member 2 rotates and opens until the guide shaft 31 is located at the junction of the second groove segment 322 and the third groove segment 323 , and continues to rotate and open, the guide When the shaft 31 moves in the third slot section 323 and moves away from the second slot section 322 , it guides the hinge shaft 21 along the hinge slot 11 toward the side of the hinge slot 11 close to the opening side. One end moves to drive the second hinge 2/door body 30 to move toward the opening side.

Specifically, in the embodiment where the hinge shaft 21 and the guide groove 32 are both provided on the second hinge member 2, the first groove section 321 gradually Close to the hinge shaft 21, the second slot section 322 is gradually away from the hinge shaft 21 from the end close to the first slot section 321, and the third slot section 323 is from the end close to the second slot section 322. One end gradually approaches the hinge axis 21 . During the movement of the guide shaft 31 in the first slot section 321 towards the second slot section 322, the distance between the guide shaft 31 and the hinge shaft 21 gradually decreases, and the guide shaft The position of 31 remains unchanged, so that the guiding hinge shaft 21 gradually moves to the opening side along the hinge groove 11, so that the door body 30 moves to the opening side. During the process of the guide shaft 31 moving towards the third slot segment 323 in the second slot segment 322 , the distance between the guide shaft 31 and the hinge shaft 21 gradually increases, and the guide shaft 31 gradually increases. The position of the shaft 31 remains unchanged, so that the guiding hinge shaft 21 gradually moves to the pivoting side along the hinge groove 11 , so that the door body 30 moves to the pivoting side while rotating and opening. When the guide shaft 31 moves away from the second slot section 322 in the third slot section 323, the distance between the guide shaft 31 and the hinge shaft 21 gradually decreases, and the The position of the guide shaft 31 remains unchanged, thereby guiding the hinge shaft 21 to gradually move to the opening side along the hinge groove 11, so as to avoid interference between the door body 30 and the cabinet wall during further door opening, and increase the The maximum opening angle makes it easy for users to access items.

Of course, it is not limited thereto. It can be understood that in other embodiments, the specific structure of the guide groove 32 can be set as long as it can guide the hinge shaft 21 to move according to a preset motion track.

Further, when the second hinge part 2 rotates and opens in a direction away from the first hinge part 1, the second hinge part 2 first rotates at a preset angle in situ, and drives the door body 30 to rotate in situ at a preset angle. angle. That is, the movement track of the second hinge part 2 is: in the process of rotating and opening the second hinge part 2, the second hinge part 2 first rotates at a preset angle in situ, and then moves to the opening side , and then move to the pivoting side, and then move to the opening side, driving the movement track of the door body 30 is: in the process of the door body 30 rotating and opening, the door body 30 first rotates the preset Angle, then move to the open side, then move to the pivot side, and then move to the open side. The hinge mechanism 10 in the present invention can also be applied to side-by-side refrigerators with overturning beams, thereby enhancing the versatility of the hinge mechanism 10 .

Specifically, the guide groove 32 further includes a fourth groove section located at the end of the first groove section 321 away from the second groove section 322 , the fourth groove section communicates with the first groove section 321 , and the fourth slot section is an arc-shaped slot with the hinge shaft 21 as the center, so that when the guide shaft 31 moves in the fourth slot section, the door body 30 can rotate in situ .

Further, in the embodiment shown in FIG. 3 , the guide groove 32 includes a groove wall and an arc-shaped groove bottom connected with the groove wall in a smooth transition, and the guide shaft 31 is connected to the arc-shaped groove bottom. The matching end has an arc-shaped end surface 311 whose shape matches the shape of the arc-shaped groove bottom. The smoothness in the process of opening and closing the door body 30 can be enhanced, and the cooperation between the guide shaft 31 and the guide groove 32 can be made tighter and smoother. Of course, it is not limited thereto, and the guide shaft can also be directly configured as a column, and at this time, the groove wall and the groove bottom of the guide groove are configured as a plate that cooperates with the guide shaft.

Further, the part of the hinge shaft 21 that matches the hinge groove 11 is columnar, that is, the shaft diameter of the part of the hinge shaft 21 that matches the hinge groove 11 is the same as the groove width of the hinge groove 11 Same, to enhance the stability of the movement of the hinge mechanism 10 . Of course, it is not limited to this.

Of course, it is not limited thereto, that is, the guide shaft 31 can also be set in an overall columnar shape. Can.

Further, the hinge slot 11 includes a transition slot section 111, when the guide shaft 31 is located at the junction of the second slot section 322 and the third slot section 323, the hinge shaft 21 is located at the transition Slot section 111. The guide shaft 31 can freely switch between the second groove segment 322 and the third groove segment 323 .

Specifically, the transition slot section 111 is located at an end of the hinge slot 11 close to the pivoting side, and the transition slot section 111 is an arc slot section extending toward the guide slot 32 .

Please refer to Fig. 3, Fig. 8 and Fig. 9, the guide groove 32 and the hinge shaft 21 are both arranged on the second hinge member 2, and the guide shaft 31 and the hinge groove 11 are both arranged on the on the first hinge 1. Of course, it is not limited thereto. It can be understood that, in other embodiments, the guide groove 32 and the hinge shaft 21 can also be both arranged on the first hinge member 1. At this time, the Both the guide shaft 31 and the hinge groove 11 are arranged on the second hinge member 2; or the guide groove 32 and the hinge groove 11 are arranged on the first hinge member 1 and the second hinge member 2 On one of them, the guide shaft 31 and the hinge shaft 21 are disposed on the other of the first hinge part 1 and the second hinge part 2 .

Next, taking the

hinge mechanism

10, 10', 10" in the embodiment shown in Fig. 3, Fig. 8 and Fig. 9 as an example, the specific structure of the first hinge part 1 and the second hinge part 2 will be described. Explanation. Of course, it is not limited to this.

Specifically, the first hinge 1 includes a hinge plate 12 for fixing on the box body 20, an auxiliary plate 13 fixed on the side of the hinge plate 12 facing the second hinge 2, and the guide The shaft 31 protrudes from the hinge plate 12 toward the second hinge member 2 , and the hinge groove 11 is disposed on the auxiliary plate 13 . That is, additionally providing the auxiliary plate 13 to form the hinge groove 11 can maintain the original strength of the hinge plate 12 .

Please refer to FIG. 3, the auxiliary plate 13 is sleeved on the guide shaft 31, and the auxiliary plate 13 and the guide shaft 31 are fixed together by fasteners to secure the auxiliary plate 13 to the guide shaft 31. Plate 13 is indirectly fixed on said hinge plate 12 .

Please refer to Figure 9, which is a hinge mechanism 10" in another specific embodiment of the present invention, the auxiliary plate 13 is sleeved on the guide shaft 31, and the auxiliary plate 13 is connected to the hinge plate 12 One of them is provided with a positioning shaft 131 protruding toward the other, and the other is provided with a positioning hole 121 matched with the positioning shaft 131, which facilitates the positioning and installation of the auxiliary plate 13 without affecting the guiding The strength of the shaft 31.

At this time, the shielding cover 23 is provided with a relief slot 233 for the positioning shaft 131 to move, so as to avoid interference between the positioning shaft 131 and the shielding cover 23 .

Further, the second hinge member 2 includes a fixing base 22 fixed on the door body 30, the fixing base 22 has a receiving groove 221 on the side facing the hinge plate 12, and is used to cover the receiving groove 221. The shielding cover 23 has a through slot 231 for the guide shaft 31 to move, and the auxiliary plate 13 is limited in the receiving space formed by the receiving groove 221 and the shielding cover 23 .

It can be understood that, the shape of the through groove 231 is similar to the shape of the guide groove 32 and not smaller than the shape of the guide groove 32 .

Specifically, one side of the opposite sides of the auxiliary board 13 is against the shielding cover 23, and the other side is against the bottom of the receiving groove 221, so as to limit the auxiliary board 13 and strengthen the Describe the stability of the hinge mechanism 10 operation.

It can be understood that the guide groove 32 is recessed from the groove bottom of the receiving groove 221 to a side away from the first hinge 1 , so that the guide groove 32 communicates with the receiving groove 221 , After the auxiliary board 13 is located in the receiving groove 221 , the guiding shaft 31 protrudes into the guiding groove 32 .

At the same time, the hinge shaft 21 protrudes from the bottom of the receiving groove 221 toward the first hinge member 1, and after the auxiliary plate 13 is located in the receiving groove 221, the hinge groove 11 and the The above-mentioned hinge shaft 21 cooperates.

Further, the end of the hinge shaft 21 away from the fixing base 22 is limited in the limiting hole 232 on the shielding cover 23 . The relative position between the hinge shaft 21 and the shielding cover 23 can be limited, and the shielding cover 23 can be positioned.

Further, the hinge mechanism 10 also includes a limiting plate 4 arranged between the shielding cover 23 and the hinge plate 12 , and the opposite sides of the limiting plate 4 respectively abut against the hinge plate 12 with the shielding cover 23. In order to prevent the door body 30 from tilting and drooping at the end far away from the box body 20 under the action of the weight of the door body 30 during the opening process of the door body 30 .

Specifically, the limiting plate 4 is sheathed on the guiding shaft 31 . Of course, it is not limited to this.

Further, as shown in FIG. 8 and FIG. 9, a limiting structure 5 is provided between the first hinge 1 and the second hinge 2, and the limiting structure 5 is used to limit the second hinge 2, thereby limiting the maximum opening angle of the door body 30.

Specifically, the limiting structure 5 includes a first limiting block 51 disposed on the shielding cover 23 and protruding toward the first hinge member 1 , a second limiting block disposed on the hinge plate 12 Block 52, after the door body 30 is opened until the first limiting block 51 and the second limiting block 52 resist, restricting the door body 30 from continuing to move toward the opening side and restricting the door body 30 from continuing to rotate That is, the door body 30 is restricted from further opening. At this time, the door body 30 is opened to the maximum angle, which can prevent further opening of the door body 30 from interfering with the cabinet wall, resulting in bump damage.

The assembly steps of the above-mentioned hinge mechanism 10 in the present invention are as follows:

The limit plate 4, the shielding cover 23, and the auxiliary plate 13 are sequentially sleeved on the guide shaft 31, wherein the auxiliary plate 13 is fixedly connected to the guide shaft 31, and then the guide shaft 31 is connected to the guide shaft 31. The guide groove 32 is matched, and the hinge shaft 21 is matched with the hinge groove 11 at the same time, and finally the shielding cover 23 is fixed to the fixing base 22 by screws or other fasteners.

Further, please refer to FIG. 2 , there is a pre-positioning structure 40 between the fixed seat 22 and the door body 30 to pre-position the fixed seat 22, which is beneficial to the first hinge seat and the second hinge seat. The fit between the two hinge seats.

In a specific embodiment, the pre-positioning structure 40 includes a positioning block 401 provided on one of the fixing seat 22 and the door body 30, and a positioning groove 402 provided on the other, through the positioning The cooperation between the block 401 and the positioning groove 402 realizes the pre-positioning between the fixing seat 22 and the door body 30 .

Further, the size of the positioning groove 402 is larger than the size of the positioning block 401, after the positioning block 401 is positioned in the positioning groove 402, there is a gap between the positioning block 401 and the positioning groove 402 Adjusting the gap can be fine-tuned, so that the fit between the first hinge part 1 and the second hinge part 2 is accurate.

To sum up, the

hinge mechanism

10, 10', 10" in the present invention can drive the door body 30 to move to the opening side in the process of rotating and opening, that is, gradually move away from the cabinet wall on the pivoting side, The distance between one end of the door body 30 on the pivoting side and the cabinet wall on the pivoting side can be increased to avoid the cabinet wall. On the one hand, even if there is no gap between the refrigeration device and the cabinet, during the door opening process, Can avoid the interference between the door body 30 and the cabinet wall; Interference between cabinet walls.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, for example, if the technologies in different embodiments can be superimposed and used to achieve corresponding effects at the same time, its The scheme is also within the protection scope of the present invention. Those skilled in the art should understand that the technical solution of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solution of the present invention.

Claims

A hinge mechanism has opposite pivoting sides and opening sides, the hinge mechanism includes a first hinge part installed on a box body, a second hinge part installed on a door body, the first hinge part and the One of the second hinge parts is provided with a hinge groove, and the other is provided with a hinge shaft matching with the hinge groove; it is characterized in that: there is a gap between the first hinge part and the second hinge part A guide structure is provided to guide the relative movement between the hinge groove and the hinge shaft. When the second hinge member rotates and opens in a direction away from the first hinge member, the second hinge member first moves toward the first hinge member. The opening side moves toward the pivoting side and then toward the opening side.
The hinge mechanism according to claim 1, wherein the hinge slot is disposed on the first hinge member, and the hinge slot extends along an arrangement direction of the pivoting side and the opening side.
The hinge mechanism according to claim 1, wherein the guide structure includes a guide shaft provided on one of the first hinge member and the second hinge member, provided on the other and connected to the second hinge member. The guide groove that cooperates with the guide shaft, along the direction from the opening side to the pivoting side, the guide groove includes a first groove segment, a second groove segment, and a third groove segment that are connected in sequence. When the shaft is in the first slot section and moves toward the second slot section, the second hinge member moves toward the opening side, and when the guide shaft is in the second slot section and moves toward the When the third slot section moves, the second hinge moves to the pivoting side, and when the guide shaft moves in the third slot section and moves away from the second slot section, the The second hinge moves toward the opening side.
The hinge mechanism according to claim 3, characterized in that: the guide groove and the hinge shaft are both arranged on the first hinge member or both are arranged on the second hinge member; the first groove The segment is gradually approaching the hinge shaft from the end far away from the second slot segment, the second slot segment is gradually away from the hinge shaft from the end close to the first slot segment, and the third slot segment is approaching the hinge shaft from the end close to the first slot segment. One end of the second slot segment is gradually approaching the hinge axis.
The hinge mechanism according to claim 3, wherein the guide groove comprises a groove wall and an arc-shaped groove bottom connected with the groove wall in a smooth transition, and the guide shaft is matched with the arc-shaped groove bottom One end has an arc-shaped end surface, and the shape of the arc-shaped end surface matches the shape of the arc-shaped groove bottom.
The hinge mechanism according to claim 3, wherein the hinge groove includes a transition groove section, and when the guide shaft is located at the junction of the second groove section and the third groove section, the hinge The shaft is located in the transition slot segment.
The hinge mechanism according to claim 3, characterized in that: the guide shaft and the hinge groove are provided on the first hinge member; the first hinge member includes a hinge plate for fixing on the box body , an auxiliary plate located on the side of the hinge plate facing the second hinge, the guide shaft protrudes from the hinge plate toward the second hinge, the auxiliary plate is connected to the guide shaft , the hinge slot is arranged on the auxiliary board.
The hinge mechanism according to claim 7, characterized in that: the second hinge member includes a fixing seat fixed on the door body, and the fixing seat has a receiving groove on the side facing the hinge plate to cover the The shielding cover of the storage groove, the shielding cover has a through groove for the movement of the guide shaft, and the auxiliary plate is limited in the storage space jointly formed by the storage groove and the shielding cover.
The hinge mechanism according to claim 8, characterized in that: the hinge mechanism further comprises a limiting plate arranged between the auxiliary plate and the hinge plate, and the opposite sides of the limiting plate respectively abut against on the hinge plate and the auxiliary plate.
The hinge mechanism according to claim 7, wherein the auxiliary plate is sheathed on the guide shaft, and one of the auxiliary plate and the hinge plate is provided with a positioning shaft protruding toward the other , The other one is provided with a positioning hole matched with the positioning shaft.
The hinge mechanism according to claim 1, wherein when the second hinge member rotates and opens in a direction away from the first hinge member, when the second hinge member first moves to the opening side and then to Before the pivoting side moves and then moves toward the opening side, the second hinge member first rotates at a predetermined angle in situ.
The hinge mechanism according to claim 1, characterized in that: one end of the hinge slot close to the pivoting side has a gap; or the hinge slot is a closed long slot.
The hinge mechanism according to claim 1, wherein a limiting structure is provided between the first hinge part and the second hinge part, and the limiting structure is used to limit the maximum Open the angle.
An embedded refrigeration device, comprising a box body, a door body, and a hinge mechanism that rotatably connects the door body to the box body, wherein the hinge mechanism is the hinge mechanism described in claim 1 .